package main

import (
	"fmt"
	"os"
)

func main() {
	var s, sep string
	// for i := 1; i < len(os.Args); i++ {
	// 	s += sep + os.Args[i]
	// 	sep = " "
	// }

	for _, arg := range os.Args[:] {
		s += sep + arg
		sep = " "

	}
	fmt.Println(s)

	for i, arg := range os.Args {
		fmt.Println(i, " ", arg)
	}
}
